Science News - The Hindu

A health worker holds a vial of the Pfizer/BioNTech coronavirus disease (COVID-19) vaccine, at the Munsieville Care for the Aged Centre outside Johannesburg, South Africa May 17, 2021.

Single dose of Pfizer, AstraZeneca Covid vaccine offers 60% protection for the elderly: Lancet study

This study was completed before the emergence of the Delta variant of SARS-CoV-2 now dominating in the U.K.

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Know the scientist: Virginia Apgar

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Froth and foam floating at Sellur tank in Madurai | File

Best from science journals: Physics of foam

Shuvabrata Garai Here are some of the most interesting research papers to have appeared in top science journals last week.

Not sedate: Huge solar flares and coronal mass ejections spew material from the solar surface into outer space

Chandrayaan instrument helps unravel the mysteries of solar corona

PTI Though we have a fairly good understanding of the origin of energy and other various aspects of the Sun, several potentially life-changing phenomena still remain a mystery, notes ISRO.

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In this file photo taken on April 22, 2016 a child remains at an area affected by a drought on Earth Day in the southern outskirts of Tegucigalpa, Honduras.

Hunger, drought, disease: UN climate report reveals dire health threats

AFP Depending on how well humans get a handle on carbon emissions and rising temperatures, a child born today could be confronted with multiple climate-related health threats before turning 30, the report shows.

The Euphlyctis Kerala species of frog discovered from near the Thattekkad bird sanctuary.

New species of skittering frog discovered from surroundings of Thattekkad bird sanctuary

Staff Reporter Species named ‘Euphlyctis Kerala’ in honour of the remarkable biodiversity of the State

Device providing super-hearing. The spherical array has 6 microphones sensitive to ultrasound. The ultrasounds are played back to the headphones so that the listener can detect the direction of their source correctly.Credit: Ville Pulkki/Aalto University

Hearing beyond the normal range

A.S.Ganesh New audio technique allows hearing ultrasonic sources

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Worldview with Suhasini Haidar | Origins of COVID-19

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From synthetic biology to sequencing: The Hindu Science Quiz

Single dose of Pfizer, AstraZeneca Covid vaccine offers 60% protection for the elderly: Lancet study

Know the scientist: Virginia Apgar

Best from science journals: Physics of foam

Chandrayaan instrument helps unravel the mysteries of solar corona

Hunger, drought, disease: UN climate report reveals dire health threats

New species of skittering frog discovered from surroundings of Thattekkad bird sanctuary

Species named ‘Euphlyctis Kerala’ in honour of the remarkable biodiversity of the State

Hearing beyond the normal range

New audio technique allows hearing ultrasonic sources

UNESCO to downgrade status of Great Barrier Reef; Australia blames political interference

Australia has for years been battling to keep the Great Barrier Reef off the “in danger” list.

NASA sends squid from Hawaii into space for research

The baby Hawaiian bobtail squid were blasted into space earlier this month on a SpaceX resupply mission to the International Space Station

Footprints of dinosaurs that walked 110 million years ago found

The largest footprint found – measuring 80 cm in width and 65 cm in length – has been identified as belonging to an Iguanodon-like dinosaur

Explained | What is gain-of-function research?

Do the benefits of such studies on possible future therapies outweigh the risks of pathogens escaping from labs?

Explained | Is there a Wuhan connection to the study on bat viruses in Nagaland?

What is the controversy surrounding the 2019 research on filoviruses, and why is it back in focus now?

Explained | Why do periodical cicadas stay underground, and when do they emerge?

Why are they called periodical cicadas? Why is the present emergent population of cicadas called Brood X?

When the world’s first stored-program computer ran its first program

On June 21, 1948, the Small-Scale Experimental Machine (SSEM), known popularly by its nickname Baby, executed its first program successfully. A.S.Ganesh takes a look at how the Baby, the world’s first stored-program electronic computer, came to be...

Question Corner | Do spiders have sticky feet?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Dog language now falls in line: pattern analysis study

The analysis is a tool for behavioural biologists to study their model animals

Coronavirus | Do excess deaths suggest mortality crossed one million?

Besides models, all-cause mortality numbers from India’s Civil Registration System suggest that official figures may have been exceeded by far

Are your staple rice and wheat losing their nutrients?

One reason could be that the rate of yield increase is not compensated by the rate of nutrient uptake by plants

Fish once labeled a 'living fossil' surprises scientists again

Scientists said these large and nocturnal deep-sea creatures can live upto 100 years

Fossils show new species of extinct giant rhino that roamed Asia

Paraceratherium linxiaense were hornless, long-necked herbivores

Chinese astronauts dock with space station

The three-man crew will be in orbit for three months.

On Sun, its eclipses and beauty spots: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Two Viking relatives reunited in Denmark after 1,000 years

The 150 bones have been lent to the Danish museum by the Oxfordshire Museum in Britain for three years

Best from science journals: What makes us sneeze?

Here are some of the most interesting research papers to have appeared in top science journals last week.

Half of U.S. cosmetics contain toxic chemicals: study

Some of the highest PFAS levels were found in waterproof mascara and long-lasting lipstick

Two doses of AstraZeneca vaccine have 92% protection against hospitalisation with delta variant

In the case of Pfizer vaccine, the protection against hospitalisation was 94% after one dose and 96% after two doses.

'Divine Vessel' to mark China's first human spaceflight since 2016

China, which aims to become a major space faring power by 2030, in May became the second country to put a rover on Mars,two years after landing the first spacecraft on the far side of the moon.

India’s investment in research unsatisfactory: UNESCO report

Gross domestic expenditure on research has stayed at 0.7% of the GDP for years

Mouse sperm stored on International Space Station produces healthy offspring

Solar flares from the surface of the Sun generate particles that can have particularly devastating impacts on human health and penetrate current generation spaceships.

Trip to space with Jeff Bezos sells for $28 million

The Amazon founder’s rocket company, Blue Origin, did not disclose the winner’s name.

‘Operation Olivia’ to the rescue of Olive Ridleys

The Coast Guard helps enforce laws to protect turtles as they arrive to nest in Odisha

Question Corner: Why do some corals withstand climate change better than others?

Readers may send their questions/answers to questioncorner@thehindu.co.in

A molecular view of SARS-CoV-2, the novel coronavirus

How scientists make out the difference between variants of a virus

Will 25% COVID-19 vaccines for private hospitals aggravate inequity?

On June 7, when India announced a reversal of vaccine procurement to a system of centralised procurement with free vaccines to be provided for the 18–44 age group, it allowed 25% of vaccine procurement exclusively by the private sector.

Meet Bharitalasuchus tapani, a carnivorous reptile that lived 240 million years ago

The Indian fossil specimen was not studied earlier because it was not as complete as the specimens found in other countries

Two doses of COVID-19 vaccine offer 77% protection against hospitalisation, CMC Vellore study finds

The study found that even a single dose of COVID-19 vaccine offered significantly high protection against both infection and hospitalisation.

In photos: Rover leaves 'China's imprint' on Mars

China is the second country to land and operate a spacecraft on Mars, after the United States.

CHIME telescope yields unprecedented results

Scientific collaboration detects more than 500 mysterious fast radio bursts in its first year of operation

All about differences: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

New low-cost sensor to detect COVID-19 in wastewater

The researchers found that the sensor was able to detect the genetic material at concentrations as low as 10 picograms per microlitre

Tiny worm comes back to life after 24,000 years in Siberian deep freeze

Previous research suggested it could survive for a decade when frozen at -20 degrees Celsius

Explosive secret of volcanoes

Volcanoes that for millennia have erupted a certain way have the ability to undergo unexpected changes

CCMB scientists discover new enzyme for cell stability

The Centre for Cellular and Molecular Biology (CCMB) scientists here have discovered an enzyme that helps maintain the stability and integrity of cell

Best from science journals: Decoding northern lights

Here are some of the most interesting research papers to have appeared in top science journals last week.

Carbon dioxide in the air at highest level since measurements began

The amount of carbon in the air now is as much as it was about 4 million years ago

Comment | COVAX is failing to halt the COVID-19 pandemic: here’s why, and how to fix it

COVAX is one of three pillars of the initiative known as the Access to COVID-19 Tools (ACT) Accelerator, which was launched in April 2020.

Anaemia higher among rural poor, iron deficiency afflicts urban rich

Solutions focusing merely on increasing iron intake not enough, shows study

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